【英文标准名称】:Electriccables-Calculationofthecurrentrating-Sectionsonoperatingconditions-Cablescrossingexternalheatsources
【原文标准名称】:电缆.额定电流的计算.运行条件章节.横越外部热源的电缆
【标准号】:BSIEC60287-3-3-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-06-29
【实施或试行日期】:2007-06-29
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;横越;载流量;电流强度;电气工程;热源;高压引线;数学计算;斜的;使用条件;过热;过热保护装置;电力电缆
【英文主题词】:Cablecrossing;Cables;Currentcarryingcapacity;Currentrates;Currentratings;Electriccables;Electricalengineering;Heatsources;Hightensionleads;Mathematicalcalculations;Oblique;Operatingconditions;Overheating;Overheatingprotection;Powercables
【摘要】:ThispartofIEC60287describesamethodforcalculatingthecontinuouscurrentratingfactorforcablesofallvoltageswherecrossingsofexternalheatsourcesareinvolved.Themethodisapplicabletoanytypeofcable.Themethodassumesthattheentireregionsurroundingacable,orcables,hasuniformthermalcharacteristicsandthattheprincipleofsuperpositionapplies.Theprincipleofsuperpositiondoesnotstrictlyapplytotouchingcablesandhencethecalculationmethodsetoutinthisstandardwillproduceanoptimisticresultifappliedtotouchingcables.
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:18P.;A4
【正文语种】:英语